Which of these animals are vertebrates? (choose all that apply.) penguin

a. fox

b. snake

c. alligator

d. kangaroo

e.

What are dna composed of?

What happens to the tension in the xylem when the stomata close and evaporation stops? It remains constant the moment the stomata close. It continues to increase until the living cells of the leaf are fully hydrated.

What is not a trait of the members in the kingdom archaebacteria

The Rh factor is a protein found on the surface of red blood cells. The Rh factor must be matched during blood transfusions. Rh + individuals may receive blood from Rh + and Rh - donors while Rh - individuals can only receive Rh - blood.

Lactose is found in milk products it is converted by the body into usable forms in a series of chemical reaction. If enzyme 2 is denatured the level of wich substance will increase

The carbon cycle makes carbon compounds continuously available in an ecosystem and delivers what?

Helicobacter pylori has been associated with Group of answer choices peptic ulcers emphysema duodenal ulcers lung cancer

Which of the following is NOT a hormone that regulates stages of digestion? auxin cholecystokinin gastrin secretin

Science can only test questions that invlove the natural wrold

Characteristics caused by hormones but that do not include development of reproductive organs are called